(A) Design of a DNA tetrahedron assembled from a 3-point-star motif (adapted from He et al. 5). (B) Design of DX tiles arranging into 2D lattices (adapted from Winfree et al. 2). (C). A tensegrity triangle motif assembling into a designed 3D lattice (adapted from Zheng et al. 45). (D) The DNA origami strategy to fold DNA into desired shapes (adapted from Rothemund et al. 3). (E) Shapes self-assembled using single-stranded DNA tiles (adapted from Wei et al. 59). (F) Design of DNA brick structures (adapted from Ke et al. 60).